What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 23377-5: Porcine respiratory coronavirus Ag Immune stain Ql (Small intestine Tissue)

Name: LOINC Code 23377-5: Porcine respiratory coronavirus Ag Immune stain Ql (Small intestine Tissue)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:30.731Z

23377-5 is a LOINC code used to identify Porcine respiratory coronavirus Ag Immune stain Ql (Small intestine Tissue) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Porcine respiratory coronavirus Ag. It is commonly used with the system or sample type Tsmi.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Porcine respiratory coronavirus Ag. It is commonly used with the system or sample type Tsmi.

When is it used?

Used in lab systems, EHRs, and clinical data exchange.
May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
Status: ACTIVE
Order vs observation: Both
Method: Immune stain

What it does not mean

The code identifies the observation or test, not the actual result.

Key facts

Porcine respiratory coronavirus Ag [Presence] in Small intestine Tissue by Immune stain
Porcine respiratory coronavirus Ag
Antigen; Antigens; Corona virus; ID; IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; Pork; PR; PRCoV; Ql; Qual; Qualitative; Random; Screen; St; Stains; Stn; Swine; Tissue small intestine; Vet; Veterinary

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Porcine respiratory coronavirus Ag Immune stain Ql (Small intestine Tissue)Porcine respiratory coronavirus Ag [Presence] in Small intestine Tissue by Immune stainPRCoV Ag TSMI Ql ImStnPorcine respiratory coronavirus AgMICROPorcine respiratory coronavirus antigen, Small intestine tissuePrThr

Frequently asked questions

Code details

Code23377-5

SystemLOINC

Display namePorcine respiratory coronavirus Ag Immune stain Ql (Small intestine Tissue)

DescriptionPorcine respiratory coronavirus Ag

Short namePRCoV Ag TSMI Ql ImStn

ComponentPorcine respiratory coronavirus Ag

PropertyPrThr

TimingPt

System (specimen)Tsmi

ScaleOrd

MethodImmune stain

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0n

Last changed2.56

Consumer names

Porcine respiratory coronavirus antigen, Small intestine tissue

Part names

Porcine respiratory coronavirus AgPrThrPtTSMIOrdImmune stainPresence or ThresholdPoint in time (spot)Small intestine Tissue

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.